A fuel delivery company must supply between 9,000 and 10,000 gallons of gasoline to a gas station. By contract, the delivery company must purchase at least1,000 gallonsof this gasoline fromRefinery X,and also2,000 gallonsfromRefinery Y.The fuel delivery company must also purchase at least twice as much gasoline fromRefinery Yas fromRefinery X.If the gasoline fromRefinery Xcosts $1.20per gallon and the gasoline fromRefinery Ycosts $1.27, how much gasoline should the delivery company purchase from each refinery in order to pay the least for the gasoline?

The delivery company should purchase_______gallons from refinery X and ____gallons from Refinery Y to minimize cost at $______

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